Machine for automatically cutting sheet materials provided with a bulged depression box

Abstract

The invention relates to a machine for automatically cutting sheet material, the machine comprising a bench having a cutting zone, a cutter head mounted on means for moving it relative to the bundle, a cutter conveyor housed inside a box placed under the cutting zone, and means for establishing suction in the box, the box bulging outwards at least in its bottom portion that is remote from the cutting zone.

What is claimed is: 
     
       1. A machine for automatically cutting sheet material, the machine comprising a bench having a cutting zone, a cutter head mounted on means for moving the cutter head relative to a load of sheet material, a cutter conveyor housed inside a generally rectangular box, the box having a bottom face that is remote from the cutting zone of the bench, that is placed under the cutting zone, and that bulges outwardly, and means for establishing suction in the box, wherein the suction in the suction box is sufficient to hold the sheet material stationary on the cutter conveyor in the cutting zone. 
     
     
       2. A machine according to  claim 1 , in which the bottom face of the box curves outwards relative to the box in cross-section, while being substantially straight in longitudinal section. 
     
     
       3. A machine according to  claim 1 , in which the box bulges outwards in its bottom face that is remote from the cutting zone, and also in its transverse portions.